Optical article



FIG. 1 is a bottom view of an optical article according to the present design;

FIG. 2 is a left side view;

FIG. 3 is a front view;

FIG. 4 is a perspective view of the optical article;

FIG. 5 is a rear view;

FIG. 6 is a top view; and,

FIG. 7 is a right side view.

The broken lines are unclaimed environment and form no part of the claimed design. 

The ornamental design for an optical article, as shown and described. 